Sarah went on a one-day bus tour from las vegas to the grand canyon. the cost of the bus ticket was$80. shealsopaid15%ofthecostoftheticket as a tip to the bus driver. what was the amount of the tip that sarah paid the bus driver? a $5 b $12 c $15 d $19

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?